Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Mezclas no azeotropicas que contienen difluormetano y 1,1,1,2-tetrafluoretano y sus aplicaciones como fluidos frigorificos en el acondicionamiento del aire.
Culex stigmatosoma Dyar, 1907 and C. thriambus Dyar, 1921 (Insecta, Diptera): proposed conservation of the specific names by the suppression of C. peus Speiser, 1904